325728750 has 40 divisors (see below), whose sum is σ = 814070664. Its totient is φ = 86860000.

The previous prime is 325728743. The next prime is 325728779. The reversal of 325728750 is 57827523.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 325728699 and 325728708.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 39681 + ... + 47180.

Almost surely, 2^325728750 is an apocalyptic number.

325728750 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

325728750 is an abundant number, since it is smaller than the sum of its proper divisors (488341914).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

325728750 is an equidigital number, since it uses as much as digits as its factorization.

325728750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86886 (or 86871 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 39.

The square root of 325728750 is about 18047.9569480869. The cubic root of 325728750 is about 688.0479378329.

The spelling of 325728750 in words is "three hundred twenty-five million, seven hundred twenty-eight thousand, seven hundred fifty".